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SKH57
Japan JIS SKH57 W-phase system high-speed tool steel and SKH57 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
DATASHEET FOR:STEEL GRADES:TOOL STEEL AND HARD ALLOY:SKH57
Chemical composition(mass fraction)(wt.%) of the SKH57
C(ï¼…) | Si(ï¼…) | Mn(ï¼…) | Cr(ï¼…) | Mo(ï¼…) | V(%) | W(%) | Co(%) |
---|---|---|---|---|---|---|---|
1.20-1.35 | Max 0.45 | Max 0.40 | 3.80-4.50 | 3.20-3.90 | 3.00-3.50 | 9.00-10.00 | 9.50-10.50 |
Yield Rp0.2(MPa) | Tensile Rm(MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
182 (≥) | 389 (≥) | 31 | 31 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 |